---
kind: pipeline
name: default

steps:
  - name: build and publish image
    image: plugins/docker
    settings:
      repo: eumau/nginx
      auto_tag: true
      username:
        from_secret: dockerhub_username
      password:
        from_secret: dockerhub_password
    when:
      branch:
        - master

---
kind: pipeline
name: pull_request

steps:
  - name: build image only
    image: plugins/docker
    settings:
      repo: eumau/nginx
      auto_tag: true
      dry_run: true

trigger:
  event:
    - pull_request

---
kind: pipeline
name: tags

steps:
  - name: docker
    image: plugins/docker
    settings:
      repo: eumau/nginx
      username:
        from_secret: dockerhub_username
      password:
        from_secret: dockerhub_password
      tags:
        - ${DRONE_TAG}
      build_args:
        - NGINX_VERSION=${DRONE_TAG}

trigger:
  event:
    - tag